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Old can of H4350

 
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  #1  
Old 04-04-2013, 02:35 PM
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Old can of H4350

Quick question about an old can of H4350 that's been collecting dust in my cabinet for many years. Now that it's harder and harder to find powder I'm having to resort to using this old powder in my 260 Rem. I believe this powder was stored correctly and has not dried out.
Has H4350 changed over the years? This powder looks darker than my newer can of H4350, (what's left of it). I know that new H4350 is now temp insensitive and is one of the extreme powders of Hodgdon. I'm not sure when they started the extreme version of H4350. Attached is a picture. Notice that the can says "New from Hodgdon", LOL. Any comments, answers or profound statements on using this powder. I would of course start low and work up looking for pressure signs. I have written Hodgdon a couple of weeks ago, but have not yet received a reply. Just thought I'd ask before starting up a new load. Thanks!
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  #2  
Old 04-04-2013, 05:37 PM
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Re: Old can of H4350

The powder you have probably is similar to I 4350; no worries though... both are similar enough if you start a few % back with a few rounds and work up you'll be good.
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Old 04-05-2013, 10:46 AM
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Re: Old can of H4350

That's pretty much what I figured. It'll be interesting to see what Hodgdon says if they reply.
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Old 04-05-2013, 07:35 PM
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Re: Old can of H4350

It will be interesting to see your results. My buddy had an old can of H380 and it ran WAY slower than new powder. We assumed that age affected its velocity, but it is possible it just used to be slower . . .
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Old 04-05-2013, 07:37 PM
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Re: Old can of H4350

Quote:
Originally Posted by varmintH8R View Post
It will be interesting to see your results. My buddy had an old can of H380 and it ran WAY slower than new powder. We assumed that age affected its velocity, but it is possible it just used to be slower . . .
Read it after I posted it - by slower I mean velocities suffered, not slower as in burn rate slower . . .
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Old 04-05-2013, 07:50 PM
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Re: Old can of H4350

I go by my nose. When you popped the lid, did it smell sort of like vinegar? If it did, it's probably fine. If it had no smell, I'd be suspect.

The newer stuff in plastic opaque jugs should last indefinitely if kept sealed in a cool dark place.

No propellant issues here...yet. My wife often wondered how come I had all those 8 pound jugs under the bed (now in the closet), Now, she knows why.

I believe, I'd sell the empty can on Flea Bay.
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  #7  
Old 04-05-2013, 08:18 PM
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Re: Old can of H4350

I just opened the lid and took a snort. It definately has an odor, kinda like vinegar. The powder looks healthy, but darker than the newer H4350.
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